CVE-2023-39703

CVE-2023-39703 is a medium-severity vulnerability in Typora with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

A cross site scripting (XSS) vulnerability in the Markdown Editor component of Typora v1.6.7 allows attackers to execute arbitrary code via uploading a crafted Markdown file.

Frequently asked questions

What is CVE-2023-39703?
A cross site scripting (XSS) vulnerability in the Markdown Editor component of Typora v1.6.7 allows attackers to execute arbitrary code via uploading a crafted Markdown file.
How severe is CVE-2023-39703?
CVE-2023-39703 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-39703 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39703?
CVE-2023-39703 affects Typora. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39703?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39703 published?
CVE-2023-39703 was published on 2023-09-01 and last updated on 2026-06-17.

References

Affected products (1)

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